The problem with marriage is that it ends every night after making love, and it must be rebuilt every morning before breakfast.

I'm not a person who looks back. I'm always looking forward.

The first fruit of this imagination—and the first lesson of the social science that embodies it—is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.